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尹定根(铜陵有色金属公司计划处): 铜陵有色金属公司三十年来从小到大,分期分批开发了六个生产矿山,共完成坑采矿量4000多万吨,目前坑采年水平200万吨。生产实践证明,采矿工艺在长期矿山生产中占有十
Yin Dinggen (Planning Department of Tongling Nonferrous Metals Company): Tongling Nonferrous Metals Company has developed six production mines in stages and in batches over the past 30 years, completing a total of more than 40 million tons of pit mining. At present, the annual pit mining level is 2 million tons. Production practice has proved that mining technology occupies ten in long-term mine production